Coffee grinder



FIG. 1 is a front, top and right side perspective view of a coffee grinder showing the new design.

FIG. 2 is a front view thereof.

FIG. 3 is rear view thereof.

FIG. 4 is a right side view thereof.

FIG. 5 is a left side view thereof.

FIG. 6 is an enlarged top plan view thereof; and,

FIG. 7 is a bottom view thereof. 

CLAIM The ornamental design for a coffee grinder, as shown and described. 